Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2011	59.85	61.14	59.28	60.24	2,972,262	+0.71(+1.19%)
Feb 25, 2011	59.74	59.80	58.84	59.54	2,164,475	+0.39(+0.65%)
Feb 24, 2011	58.59	60.26	57.73	59.15	3,884,435	+0.28(+0.47%)
Feb 23, 2011	58.61	61.11	54.61	58.88	10,884,453	-1.88(-3.09%)
Feb 22, 2011	63.39	63.64	60.48	60.75	3,854,115	-3.62(-5.62%)
Feb 18, 2011	65.14	65.22	63.80	64.37	1,985,703	-0.74(-1.14%)
Feb 17, 2011	64.75	65.16	63.91	65.11	1,732,087	+0.48(+0.75%)
Feb 16, 2011	63.55	65.04	63.54	64.63	1,537,591	+1.52(+2.40%)
Feb 15, 2011	63.68	63.93	62.84	63.11	1,532,008	-0.77(-1.21%)
Feb 14, 2011	63.23	64.48	63.23	63.89	2,243,219	+0.59(+0.94%)
Feb 11, 2011	61.90	63.30	61.48	63.29	2,680,244	+1.82(+2.95%)
Feb 10, 2011	59.69	61.64	59.69	61.47	2,501,414	+1.20(+1.99%)
Feb 09, 2011	60.37	60.84	59.72	60.28	1,521,993	-0.41(-0.68%)
Feb 08, 2011	60.74	61.01	60.08	60.69	2,017,309	-0.08(-0.13%)
Feb 07, 2011	59.12	61.48	59.03	60.77	2,865,505	+1.64(+2.77%)
Feb 04, 2011	59.25	59.74	58.92	59.13	1,580,593	+0.04(+0.07%)
Feb 03, 2011	58.94	59.68	58.43	59.09	2,363,895	-0.72(-1.21%)
Feb 02, 2011	59.48	59.86	59.10	59.81	2,922,799	+0.01(+0.01%)
Feb 01, 2011	59.93	60.64	59.75	59.80	2,721,949	+0.24(+0.40%)
Jan 31, 2011	59.37	60.21	59.05	59.56	2,164,999	+0.74(+1.26%)
Jan 28, 2011	60.29	60.85	58.67	58.82	2,119,702	-1.26(-2.09%)
Jan 27, 2011	62.03	62.22	59.71	60.08	2,560,128	-1.91(-3.08%)
Jan 26, 2011	60.94	62.13	60.92	61.99	2,302,954	+1.35(+2.23%)
Jan 25, 2011	60.59	60.97	59.41	60.64	2,077,547	-0.94(-1.52%)
Jan 24, 2011	60.92	61.64	60.87	61.58	1,460,830	+0.44(+0.72%)
Jan 21, 2011	60.85	61.90	60.75	61.14	2,558,382	+0.96(+1.60%)
Jan 20, 2011	60.51	60.75	58.99	60.17	3,310,012	+0.27(+0.45%)
Jan 19, 2011	62.24	62.68	59.64	59.91	3,510,442	-2.49(-3.99%)
Jan 18, 2011	61.13	62.43	60.78	62.40	2,739,258	+1.11(+1.81%)
Jan 14, 2011	60.16	61.47	59.97	61.29	2,542,245	+0.87(+1.44%)
Jan 13, 2011	60.13	61.23	60.04	60.42	3,286,756	+0.22(+0.37%)
Jan 12, 2011	59.75	60.45	59.04	60.19	2,629,058	+1.36(+2.31%)
Jan 11, 2011	58.08	59.60	57.68	58.83	3,358,853	+2.01(+3.53%)
Jan 10, 2011	56.34	56.94	56.10	56.83	2,372,187	+0.08(+0.14%)
Jan 07, 2011	56.51	57.12	56.17	56.75	2,127,592	+0.49(+0.87%)
Jan 06, 2011	56.09	56.36	55.71	56.26	2,566,618	+0.22(+0.40%)
Jan 05, 2011	56.09	56.82	55.86	56.03	4,225,061	+0.46(+0.84%)
Jan 04, 2011	57.29	57.60	54.88	55.57	5,356,996	-2.80(-4.80%)
Jan 03, 2011	57.79	59.00	57.79	58.37	2,144,269	+1.33(+2.33%)
Dec 31, 2010	57.00	57.41	56.77	57.04	1,171,369	+0.09(+0.15%)
Dec 30, 2010	57.04	57.23	56.59	56.96	1,048,339	-0.08(-0.14%)
Dec 29, 2010	56.32	57.40	56.32	57.03	1,313,766	+0.68(+1.21%)
Dec 28, 2010	57.40	57.51	56.34	56.35	1,264,019	-1.01(-1.76%)
Dec 27, 2010	56.47	57.63	56.36	57.36	1,460,561	+0.56(+0.99%)
Dec 23, 2010	56.66	57.25	56.39	56.80	1,512,613	-0.07(-0.12%)
Dec 22, 2010	56.01	57.95	55.98	56.87	3,001,056	+0.99(+1.77%)
Dec 21, 2010	55.34	56.21	55.27	55.88	2,108,389	+0.71(+1.30%)
Dec 20, 2010	55.04	55.32	54.43	55.16	1,628,894	+0.28(+0.50%)
Dec 17, 2010	54.50	55.47	54.30	54.89	2,181,086	+0.53(+0.97%)
Dec 16, 2010	52.86	54.43	52.86	54.36	2,033,819	+1.58(+3.00%)
Dec 15, 2010	52.87	53.94	52.63	52.78	1,580,211	-0.41(-0.78%)
Dec 14, 2010	53.46	53.95	52.97	53.19	1,932,464	+0.00(+0.00%)
Dec 13, 2010	53.71	54.57	53.18	53.19	2,442,610	-0.39(-0.72%)
Dec 10, 2010	53.54	53.93	53.43	53.58	1,981,330	+0.18(+0.34%)
Dec 09, 2010	53.59	53.91	53.17	53.40	2,533,250	+0.52(+0.98%)
Dec 08, 2010	52.31	53.08	52.15	52.88	1,796,375	+0.49(+0.94%)
Dec 07, 2010	53.54	53.66	52.34	52.39	2,683,880	-0.35(-0.67%)
Dec 06, 2010	52.82	53.37	52.55	52.75	3,117,867	-0.43(-0.81%)
Dec 03, 2010	51.93	53.33	51.84	53.18	2,251,472	+0.89(+1.70%)
Dec 02, 2010	51.41	52.51	51.41	52.29	2,644,854	+0.84(+1.64%)

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